The Shimano RDM310-Smart rear derailleur has a Wide Link design for increased rigidity and precise shifting.
- Oversized 15-tooth tensioner and 13-tooth guide pulleys reduce noise and wear
- SMART CAGE pulley plate provides more ground clearance
- Advanced light action with precise shifting
- Compatible with Shimano HG 6/7/8 speed chains
- 13t upper and 15t lower pulleys